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100. Serena Williams
Tennis champ
Already in ads for Hewlett-Packard, Nike, and Kraft, the winner of the 2008 U.S. Open and a gold medalist in Beijing is likely to pick up more endorsements.
Getty Images
Tennis champ
Already in ads for Hewlett-Packard, Nike, and Kraft, the winner of the 2008 U.S. Open and a gold medalist in Beijing is likely to pick up more endorsements.
